difficulty/qa_report__audit_v2.json

{
  "audit_version": "v2",
  "total_tasks": 2910,
  "replay_ok": 2910,
  "replay_ok_pct": 100.0,
  "replay_success": 1811,
  "replay_success_pct": 62.2,
  "target_size_outliers_gt256": 77,
  "option_count_gt0": 709,
  "overlay_depth_gt0": 1118,
  "feature_stats": {
    "min_target_size_px": {
      "non_null_count": 2722,
      "non_null_pct": 93.5,
      "unique_values": 266
    },
    "target_spacing_px": {
      "non_null_count": 2149,
      "non_null_pct": 73.8,
      "unique_values": 283
    },
    "fitts_id": {
      "non_null_count": 1376,
      "non_null_pct": 47.3,
      "unique_values": 1374
    },
    "interactable_density": {
      "non_null_count": 2910,
      "non_null_pct": 100.0,
      "unique_values": 2026
    },
    "option_count": {
      "non_null_count": 2910,
      "non_null_pct": 100.0,
      "unique_values": 30
    },
    "distractor_similarity": {
      "non_null_count": 737,
      "non_null_pct": 25.3,
      "unique_values": 225
    },
    "control_continuity": {
      "non_null_count": 2910,
      "non_null_pct": 100.0,
      "unique_values": 3
    },
    "state_dim": {
      "non_null_count": 2910,
      "non_null_pct": 100.0,
      "unique_values": 5
    },
    "granularity": {
      "non_null_count": 240,
      "non_null_pct": 8.2,
      "unique_values": 5
    },
    "tolerance_norm": {
      "non_null_count": 2910,
      "non_null_pct": 100.0,
      "unique_values": 10
    },
    "overlay_depth": {
      "non_null_count": 2910,
      "non_null_pct": 100.0,
      "unique_values": 8
    },
    "min_substeps": {
      "non_null_count": 2910,
      "non_null_pct": 100.0,
      "unique_values": 22
    },
    "scroll_required": {
      "non_null_count": 2910,
      "non_null_pct": 100.0,
      "unique_values": 2
    },
    "feedback_latency_ms": {
      "non_null_count": 959,
      "non_null_pct": 33.0,
      "unique_values": 1
    },
    "feedback_persistence": {
      "non_null_count": 2727,
      "non_null_pct": 93.7,
      "unique_values": 2
    },
    "reset_cost": {
      "non_null_count": 2910,
      "non_null_pct": 100.0,
      "unique_values": 8
    },
    "visual_state_visible": {
      "non_null_count": 2910,
      "non_null_pct": 100.0,
      "unique_values": 2
    },
    "a11y_richness": {
      "non_null_count": 2736,
      "non_null_pct": 94.0,
      "unique_values": 206
    },
    "theme": {
      "non_null_count": 2910,
      "non_null_pct": 100.0,
      "unique_values": 1
    },
    "contrast_ratio": {
      "non_null_count": 1088,
      "non_null_pct": 37.4,
      "unique_values": 72
    },
    "placement_norm": {
      "non_null_count": 2910,
      "non_null_pct": 100.0,
      "unique_values": 472
    },
    "component_scale": {
      "non_null_count": 2910,
      "non_null_pct": 100.0,
      "unique_values": 2344
    },
    "context_clutter": {
      "non_null_count": 2910,
      "non_null_pct": 100.0,
      "unique_values": 30
    },
    "instance_count": {
      "non_null_count": 2910,
      "non_null_pct": 100.0,
      "unique_values": 8
    }
  },
  "axis_rating_distributions": {
    "precision_requirement": {
      "R1": 570,
      "R2": 180,
      "R3": 780,
      "R4": 750,
      "R5": 630,
      "unique_ratings": 5
    },
    "target_acquisition": {
      "R1": 560,
      "R2": 560,
      "R3": 670,
      "R4": 560,
      "R5": 560,
      "unique_ratings": 5
    },
    "density_choice_interference": {
      "R1": 581,
      "R2": 582,
      "R3": 583,
      "R4": 486,
      "R5": 678,
      "unique_ratings": 5
    },
    "depth_layering": {
      "R1": 0,
      "R2": 914,
      "R3": 601,
      "R4": 813,
      "R5": 582,
      "unique_ratings": 4
    },
    "feedback_dynamics": {
      "R1": 536,
      "R2": 326,
      "R3": 611,
      "R4": 823,
      "R5": 614,
      "unique_ratings": 5
    },
    "semantic_observability": {
      "R1": 505,
      "R2": 382,
      "R3": 859,
      "R4": 516,
      "R5": 648,
      "unique_ratings": 5
    },
    "disambiguation_load": {
      "R1": 407,
      "R2": 757,
      "R3": 582,
      "R4": 426,
      "R5": 738,
      "unique_ratings": 5
    }
  },
  "gate_failures": 0,
  "gate_warnings": 0
}